A283464 a(n) = A032742(A266646(n)).

1, 1, 1, 2, 1, 3, 1, 5, 3, 4, 1, 8, 1, 6, 5, 14, 1, 13, 1, 11, 7, 7, 1, 23, 5, 9, 17, 17, 1, 18, 1, 41, 9, 10, 7, 38, 1, 12, 11, 32, 1, 28, 1, 20, 23, 15, 1, 68, 7, 25, 13, 26, 1, 63, 11, 50, 15, 16, 1, 53, 1, 19, 37, 122, 13, 33, 1, 29, 19, 39, 1, 113, 1, 21, 33, 35, 11, 43, 1, 95, 83, 22, 1, 83, 17, 24, 21, 59, 1, 88, 13, 44, 25, 27, 19, 203

Offset

1,4

Links

Antti Karttunen, Table of n, a(n) for n = 1..2047

Formula

a(n) = A032742(A266646(n)).

a(n) = A266646(n) / A020639(n). [Because A266646 preserves the smallest prime factor of n.]

Prog

(Scheme) (define (A283464 n) (A032742 (A266646 n)))

Crossrefs

Cf. A020639, A032742, A266646, A280497, A280498, A283463, A283466.

Sequence in context: A371783 A214340 A283463 * A323184 A102614 A307149

Adjacent sequences: A283461 A283462 A283463 * A283465 A283466 A283467

Keyword

nonn

Author

Antti Karttunen, Mar 08 2017

Status

approved